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ISRO Technician-B
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ISRO Technician-B Welder 2017
19

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

19) The symbol 'O' is used to denote a

Seam weld

Spot weld

Projection weld

Flash butt weld

Answer is:

Spot weld

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

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Related ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

20) Soldering irons are made of copper because it is

Heavy

Bad conductor of heat

Good conductor of heat

Thermal expansion is more

Answer is:

Good conductor of heat

21) The type of electrodes that are most prone to the danger of moisture pick up is

Rutile coated

Basic coated

Cellulose

None of these

Answer is:

Rutile coated

22) The selection of nozzle for pipe welding depends on

Groove angle

Welding position

Pipe wall thickness

Pipe diameter

Answer is:

Pipe wall thickness

23) Which type of coated electrodes are generally used for general purpose welding and training purpose in ITI's?

Rutile

Cellulosic

Basic

Iron powder coated

Answer is:

Rutile

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

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